Mayor Zohran Mamdani and state transit officials announced a plan to study a heat-capture system that could cool a notoriously hot train station and help heat city buildings in the winter.
Like many cities, Denver's largest source of greenhouse gas emissions is its buildings. Heating and cooling skyscrapers requires a lot of fossil fuels. Now, the city is trying a surprising solution.
A House Energy and Commerce hearing examining electric reliability during Winter Storm Fern revealed a shift in rhetoric on energy. Democrats appeared to now accept that the grid needs fossil fuels, and points about a "climate crisis" were noticeably rare.
Weeks of freezing temperatures and winter storms across parts of the United States have increased the demand for firewood and manufactured fire logs.
With defiant ingenuity, Kyiv residents are trying to find ways to stay warm in a cruel winter.